笔记

/*****************************************************

copyright (C), 2014-2015, Lighting Studio. Co.,     Ltd.

File name：

Author：Jerey_Jobs    Version:0.1    Date:

Description：

Funcion List:

*****************************************************/

 

#include <stdio.h>

#include <pthread.h>

#include <string.h>

#include <stdlib.h>

 

char message[]="hello world!\n";

 

void * thread_function(void * arg)

{

    printf("thread_function is running! argument is %s\n",(char *)arg);

    sleep(3);

    strcpy(message,"bye");

    pthread_exit("thank for your CPU time!\n\a");

}

 

int main()

{

    int res;

    pthread_t a_thread;

    void * thread_result;

 

    res = pthread_create(&a_thread,NULL,thread_function,(void *)message);

    printf("waiting for thread to finish!\n");

    res = pthread_join(a_thread,&thread_result);

    printf("thread joined, it returned %s\n",(char *)thread_result);

    printf("message is now %s\n",message);

 

    return 0;

}